Update documentation link references

The documentation links annotated in the code comments of various functions and structures have been updated. They have been revised to more current, accurate, or relevant pages from the PHP internals manual. This ensures developers can refer to the correct and up-to-date resources when needed.

src/rayaop.c

@@ -17,7 +17,7 @@
 
 /**
  * インターセプト情報を保持する構造体
- * @link https://www.php.net/manual/en/internals2.opcodes.php
+ * @link https://www.phpinternalsbook.com/php5/classes_objects/internal_structures_and_implementation.html
  */
 typedef struct _intercept_info {
     zend_string *class_name;     // インターセプト対象のクラス名
@@ -45,7 +45,7 @@ static zend_class_entry *zend_ce_ray_aop_interceptedinterface;  // インター
 
 /**
  * カスタム zend_execute_ex 関数
- * @link https://www.phpinternalsbook.com/php7/extensions_design/zend_execute_ex.html
+ * @link http://php.adamharvey.name/manual/ja/migration55.internals.php
  */
 static void rayaop_zend_execute_ex(zend_execute_data *execute_data)
 {
@@ -173,7 +173,7 @@ PHP_FUNCTION(method_intercept)
 
 /**
  * インターセプト情報を解放する関数
- * @link https://www.phpinternalsbook.com/php7/internal_structure/hash_tables.html
+ * @link https://www.phpinternalsbook.com/php7/internal_types/strings/zend_strings.html
  */
 static int efree_intercept_info(zval *zv)
 {
@@ -197,7 +197,7 @@ static int efree_intercept_info(zval *zv)
 
 /**
  * 拡張機能の初期化関数
- * @link https://www.phpinternalsbook.com/php7/extensions_design/php_minit_function.html
+ * @link https://www.phpinternalsbook.com/php7/extensions_design/hooks.html
  */
 PHP_MINIT_FUNCTION(rayaop)
 {
@@ -215,7 +215,7 @@ PHP_MINIT_FUNCTION(rayaop)
 
 /**
  * 拡張機能のシャットダウン関数
- * @link https://www.phpinternalsbook.com/php7/extensions_design/php_mshutdown_function.html
+ * @link https://www.phpinternalsbook.com/php7/extensions_design/hooks.html
  */
 PHP_MSHUTDOWN_FUNCTION(rayaop)
 {
@@ -235,7 +235,7 @@ PHP_MSHUTDOWN_FUNCTION(rayaop)
 
 /**
  * 拡張機能の情報表示関数
- * @link https://www.phpinternalsbook.com/php7/extensions_design/php_minfo_function.html
+ * @link https://www.phpinternalsbook.com/php7/extensions_design/extension_infos.html
  */
 PHP_MINFO_FUNCTION(rayaop)
 {
@@ -250,14 +250,15 @@ static const zend_function_entry rayaop_functions[] = {
     PHP_FE_END
 };
 
+// @link https://www.phpinternalsbook.com/php7/extensions_design/extension_infos.html
 zend_module_entry rayaop_module_entry = {
     STANDARD_MODULE_HEADER,
     "rayaop",  // 拡張機能の名前
     rayaop_functions,  // 拡張機能が提供する関数
     PHP_MINIT(rayaop),  // 拡張機能の初期化関数
     PHP_MSHUTDOWN(rayaop),  // 拡張機能のシャットダウン関数
-    NULL,
-    NULL,
+    NULL, /* Request init */
+    NULL, /* Request shutdown */
     PHP_MINFO(rayaop),  // 拡張機能の情報表示関数
     PHP_RAYAOP_VERSION,  // 拡張機能のバージョン
     STANDARD_MODULE_PROPERTIES